package com.bestdreamer.example.aqs;

import lombok.extern.slf4j.Slf4j;

import java.util.concurrent.*;

@Slf4j
public class CyclicBarrierExample3 {

    private static final CyclicBarrier barrier = new CyclicBarrier(5, () ->{
        log.info("callback is running");
    });

    public static void main(String[] args) throws Exception{
        ExecutorService executor = Executors.newCachedThreadPool();

        for(int i = 0; i < 10; i++){
            final int threadNum = i;
            Thread.sleep(1000);
            executor.execute(() -> {
                try{
                    race(threadNum);
                }catch (Exception e){
                    log.info("exception:",e);
                }
            });
        }
        executor.shutdown();
    }

    private static void race(int threadNum)throws Exception{
        Thread.sleep(1000);
        log.info("{} is ready",threadNum);
        barrier.await();
        log.info("{} continue",threadNum);
    }
}
